Experiment: 2PEQ

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2PEN	PDB entry 2PEN

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	20% PEG 3350, 0.2 M KSCN, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.78	30.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.505	α = 90
b = 69.339	β = 90
c = 98.795	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315		2006-08-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	1.00000	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.9	56.796	100	0.089	0.089	5.8	4.2		17567			24.103

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	2	100		0.575	0.575	1.3	4.3	2530

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 2PEN	1.9	20	17551	887	99.99	0.2	0.197	0.253	RANDOM	24.7

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
1.31			-0.48		-0.83

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.372
r_dihedral_angle_4_deg	22.624
r_dihedral_angle_3_deg	18.282
r_dihedral_angle_1_deg	4.678
r_scangle_it	3.841
r_scbond_it	2.404
r_angle_refined_deg	1.39
r_mcangle_it	1.387
r_mcbond_it	0.863
r_nbtor_refined	0.296

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.372
r_dihedral_angle_4_deg	22.624
r_dihedral_angle_3_deg	18.282
r_dihedral_angle_1_deg	4.678
r_scangle_it	3.841
r_scbond_it	2.404
r_angle_refined_deg	1.39
r_mcangle_it	1.387
r_mcbond_it	0.863
r_nbtor_refined	0.296
r_symmetry_hbond_refined	0.255
r_nbd_refined	0.212
r_symmetry_vdw_refined	0.189
r_xyhbond_nbd_refined	0.175
r_chiral_restr	0.093
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1744
Nucleic Acid Atoms
Solvent Atoms	147
Heterogen Atoms

Software

Software
Software Name	Purpose
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
MOSFLM	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.